SCOTTSDALE, AZ--(MARKET WIRE)--Sep 18, 2008 -- PetroSun, Inc. (Other OTC:PSUD.PK - News) announced today that PetroSun Oilfield, Inc., a wholly owned subsidiary, has placed a second purchase order for steel oilfield pipe to be delivered into the Port of Houston during the fourth quarter of 2008. The origin of the product is China.

The following Table indicated the categories of tubing and casing that are included in this second order for oilfield pipe:

 
             Categories of Tubing and Casing:
             Diameter (in inches)   Weight & Grade    Quantity (in feet)
                    2 3/8           4.7# J55 SMLS          50,000
                    2 3/8           4.7# N80 SMLS          50,000
                    2 7/8           6.5# J55 SMLS          60,000
                    2 7/8           6.5# N80 SMLS          50,000
                    4 1/2           10.5# J55 SMLS         30,000
                    4 1/2           10.5# N80 SMLS         50,000
                    4 1/2           11.6# J55 SMLS         15,000
                    5 1/2           15.5# J55 SMLS         25,000
                    8 5/8           24# J55 ERW            15,000

The Company is currently reserving future allotments for industry end-users. Inquiries should be directed to PetroSun Oilfield at 480-425-4290 or petrosun@cox.net.

About PetroSun

PetroSun's operations include oil and gas exploration, development, production, oilfield tubular sales and algae-to-algal oil alternative biofuel production. The oil and gas division is focused on the exploration of the Holbrook Basin of Arizona, the San Juan Basin of New Mexico, Australian based prospects and the development of oil and gas reserves in Louisiana. PetroSun Oilfield, a wholly owned subsidiary, is engaged in the importing of tubing and casing from China for marketing and distribution within the US market. The alternative fuels division has entered the commercial stage of its algae-to-biofuels production technology. The Company plans to establish algae farms and algal oil extraction plants in Louisiana, Texas, Arizona, Mexico and Central America during 2008. The algal oil product will be marketed as feedstock to existing biodiesel refiners and planned company owned refineries. PetroSun is headquartered in Scottsdale, Arizona with field offices in Shreveport, Louisiana and Rio Hondo, Texas. For more information about PetroSun visit the company's website at www.petrosuninc.com.

Except historical matter contained herein, matters discussed in this news release are forward-looking statements and are made pursuant to the safe harbor provision of the Private Securities Litigation Reform Act of 1995. These forward-looking statements reflect assumptions and involve risks and uncertainties, which may affect the Company's business and prospects and cause actual results to differ materially from these forward-looking statements.

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